gomarkdown 0.0.0-2024 parser/block.go paragraph denial of service

Summaryinfo

A vulnerability identified as problematic has been detected in gomarkdown markdown 0.0.0-2024. This affects the function paragraph of the file parser/block.go. This manipulation causes denial of service. This vulnerability appears as CVE-2024-44337. The attack may be initiated remotely. There is no available exploit. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability classified as problematic was found in gomarkdown markdown 0.0.0-2024. Affected by this vulnerability is the function paragraph of the file parser/block.go. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. The summary by CVE is:

The package `github.com/gomarkdown/markdown` is a Go library for parsing Markdown text and rendering as HTML. Prior to pseudoversion `v0.0.0-20240729232818-a2a9c4f`, which corresponds with commit `a2a9c4f76ef5a5c32108e36f7c47f8d310322252`, there was a logical problem in the paragraph function of the parser/block.go file, which allowed a remote attacker to cause a denial of service (DoS) condition by providing a tailor-made input that caused an infinite loop, causing the program to hang and consume resources indefinitely. Submit `a2a9c4f76ef5a5c32108e36f7c47f8d310322252` contains fixes to this problem.

The advisory is shared at github.com. This vulnerability is known as CVE-2024-44337 since 08/21/2024. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

Applying the patch a2a9c4f76ef5a5c32108e36f7c47f8d310322252 is able to eliminate this problem. The bugfix is ready for download at github.com.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• gomarkdown

Name

• markdown

Version

• 0.0.0-2024

License

• open-source

Website

• Product: https://github.com/gomarkdown/markdown/

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CPE 2.2info

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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